113442444 has 60 divisors (see below), whose sum is σ = 304608304. Its totient is φ = 36788256.

The previous prime is 113442421. The next prime is 113442467. The reversal of 113442444 is 444244311.

It is an interprime number because it is at equal distance from previous prime (113442421) and next prime (113442467).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7257 + ... + 16719.

Almost surely, 2^113442444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113442444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152304152).

113442444 is an abundant number, since it is smaller than the sum of its proper divisors (191165860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113442444 is a wasteful number, since it uses less digits than its factorization.

113442444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9516 (or 9505 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 113442444 is about 10650.9362968708. The cubic root of 113442444 is about 484.0889746041.

Adding to 113442444 its reverse (444244311), we get a palindrome (557686755).

The spelling of 113442444 in words is "one hundred thirteen million, four hundred forty-two thousand, four hundred forty-four".